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Advanced CL Programming workshop for IBM i

Currently no upcoming Class Dates

Description

This classroom course is designed to teach you to write control language (CL) programs which may be used to perform a variety of system and application control functions. You are taught to write interactive, and batch CL programs, user commands, and CL programs that function as user tools (programs that use the output of display commands as input)

Objectives

  • Create user-defined commands with and without parameters
  • Create a control language program that processes a database file
  • Create and invoke a program that is activated periodically and executes asynchronously from other jobs

Audience

This intermediate course is intended for application programmers, system programmers, and others who have a need to write control language programs and who already have experience writing basic and intermediate CL programs.

Prerequisites

You should be able to:

  • Write simple programs in another programming language
  • Perform basic IBM i operations
  • Code the commands necessary to send inquiry and information messages
  • Use the following: data description specifications (DDS), Rational Development Studio (WDS) tools, Programming Development Manager (PDM), and source entry utility (SEU); to create physical, logical, and display files
  • Use the WDS or RDP tools to enter CL source statements and create CL programs
  • Describe basic work management
  • Create a library, output queue, and a job description

These prerequisites can be met through successful completion of the following courses:

  • Introduction to IBM i for New Users (OE980) or (OV980)
  • IBM i Application Programming Facilities Workshop (OL490) or (OV490)
  • Basic CL Programming Workshop for i (OL2A0) or (OV2A0)

Duration

2 days

Topics

Lecture - CL message programming (topic 1)

  • Lab exercise - Basic message handling
  • Lab exercise - Send user message command

Lecture - CL message programming (topic 2)

  • Lab exercise - Monitor message
  • Lab exercise - Message programming
  • Lab exercise - Inquiry message

Lecture - User-written tools

  • Lab exercise - User-written tool

Lecture - Batch jobs

  • Lab exercise - SBMJOB and *LDA
  • Lab exercise - Data queues

Lecture - Commands

  • Lab exercise 9 - Commands

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